S-90854A375 M30 x 80 mm ISO 4017, DIN 933 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 150,000 psi tensile strength for reliable performance in demanding applications
• Superior corrosion resistance through zinc yellow-chromate plating, extending service life in harsh environments
• Optimized thread engagement with coarse 3.5mm pitch for faster assembly and reduced cross-threading risks
• Precise Class 6h thread fit ensuring consistent mating with nuts and threaded components
• High-grade Class 10.9 steel construction delivering Rockwell C32 hardness for excellent wear resistance
• Full threading along the 80mm length providing maximum grip and adjustment flexibility
• Standard-compliant external hex drive (46mm width) enabling secure tool engagement and high torque application

Professional Applications & Engineering Value

These M30 hex head screws with Class 10.9 strength rating are engineered to solve critical fastening challenges in heavy machinery, structural steelwork, and industrial equipment assembly. The zinc yellow-chromate plating provides robust protection against corrosion in outdoor or chemically aggressive environments, while the metric coarse threading (M30x3.5mm) ensures rapid installation and reliable vibration resistance. The fully threaded design combined with precise Class 6h thread fit guarantees uniform stress distribution and eliminates joint loosening in high-vibration applications. Manufactured to ISO 4017/DIN 933 specifications, these industrial-grade fasteners deliver predictable performance in critical connections where failure is not an option.

Specification Summary & Compliance

This hex head screw features M30x3.5mm coarse metric threading with Class 6h thread tolerance for precision fit. The 80mm length provides full threading throughout the shank. Manufactured from high-strength steel with Rockwell C32 hardness and 150,000 psi tensile strength, meeting Class 10.9 strength requirements. The zinc yellow-chromate finish offers enhanced corrosion protection. Compliant with ISO 4017/DIN 933 standards for dimensional accuracy and mechanical properties, ensuring reliable performance in industrial applications requiring certified fastening solutions.